PHP. Учебник. 2005

ctype_space

Пред.

След.

ctype_space

(PHP 4 >= 4.0.4, PHP 5)ctype_space -- Check for whitespace character(s)

Описание

bool ctype_space ( string text )


- Checks if all of the characters in the provided string, text, creates whitespace.

Список параметров

-

text

- The tested string.

Возвращаемые значения

- Returns TRUE if every character in text creates some sort of white space, FALSE otherwise. Besides the blank character this also includes tab, vertical tab, line feed, carriage return and form feed characters.

Примеры

-

Пример 1. A ctype_space() example

<?php
$strings = array('string1' => "\n\r\t", 'string2' => "\narf12", 'string3' => '\n\r\t');
foreach ($strings as $name => $testcase) {
if (ctype_space($testcase)) {
echo "The string '$name' consists of all whitespace characters.\n";
} else {
echo "The string '$name' does not consist of all whitespace characters.\n";
}
}
?>

Результат выполнения данного примера:
The string 'string1' consists of all whitespace characters.

The string 'string2' does not consist of all whitespace characters.

The string 'string3' does not consist of all whitespace characters.

Смотрите также

-

ctype_cntrl()
ctype_graph()
ctype_punct()

Пред.

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ctype_punct

Уровень выше

ctype_upper 22222

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